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06 TrailblazerSS
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15 Posts
Discussion Starter · #1 ·
I'm looking to add a fuel pressure sensor to log my pressure at the rail though the Pro Link+ cable on my HP Tuners setup. Is it ok to tap 5v power from another sensor under the hood, or am I better off using some sort of stand alone regulated supply? This just going to be temporary to do some troubleshooting if that makes a difference. Thanks.
 

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'07 3SS 2WD
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279 Posts
Tapping under the hood should be fine (as long as you don't F it up..). It's just a reference voltage that is regulated from the ECU, and then spliced to the sensors that would need it.
 
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